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Posted (edited)

Given the difficulties of making a two legged walker, i'd say it's too ambitious to build one with LEGO. The end result it bound to be disappointing. If it really works though, more than a mere shuffle, i'd be very impressed.

Edited by Kelkschiz
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Posted

Given the difficulties of making a two legged walker, i'd say it's too ambitious to build one with LEGO. The end result it bound to be disappointing. If it really works though, more than a mere shuffle, i'd be very impressed.

I hope that too... But you have to start somewhere and yes it looks funny, but its hard to make a wlker with zero IQ and reflexes.

Posted (edited)

*note to myself: When recording the finished version make a wiggle wiggle blooper*

Anyway all to do is the arms and to cover it up. Should be done somewhere next week.

Edited by Zblj
Posted

Status update:

So I got all the mechanics and electronics connected and it still walks. Each arm can move indepenently and has a tool at the end which also works independently. Even though it has an IQ of a rock it seems to be quite stable unless you do stupid thing like lift the body to max height and sway both arms like crazy... All to do now is some bodywork, but I have to keep it light.

Posted

the hips move like sharkira.... we have a drummer a piano and now a technic dancer....

why not

seriously though - you have to make prototypes to improve and improve.... and this is getting better and better

Posted

The suit is more or less complete. The shape turned out really great and even though the weight went up to 1600 grams it can still walk and do OTHER FUNCTIONS which will be revealed in the video.

Expect a video and a full descrištion somewhere this week.

Posted (edited)

Here's the finished beauty!

0exo.jpg

As you can see the suit has a claw and, a weapon, lights and a control room in the front.

p1210127.jpg

The legs can be extended via LAs:

p1210131.jpg

In order for the model to walk each leg is attached to the body via 4 rotating points. The 9L links tilt the upper part of the body to transfer weight:

p1210132.jpg

Each arm can be raised/lowered individual and also has a special mechanism so the elbows move along the arm.

p1210133.jpg

The driver is protected behind the reinforced front grid and can see outside world via big flatscreens:

p1210134.jpg

The operater is surrounded by articulated joints so he can control the suit with his body.

p1210136.jpg

Notice the lights:

p1210138.jpg

The 40 tooth gear on the right arm can hold somewhere around 30 rubber bands.

p1210140.jpg

So the finished model has for following functions:

2M motors for raising - lowering the legs

2M motors for rotating the feet

1M motor for walking

1M motor for rotating the waste

1M motor for left arm movement

1M motor for opening/closing the claw

1M motor for right arm movement

1M motor for rubberband shooterđ

2 Lights for...lights

4 PF receivers

1 LiPo battery box

5 LA's for lifting and claw control

Width: 37 cm

Length: 33 cm

Height: Minimum 36 cm, can be raised up to 50 cm

Total weight: 1600 grams

In total there are 6 plugs (orange) on the poor LiPo battery box:

plugs.png

Notes:

The lifting mechanism can be a bit weak, and also the rotating axles tend to dig into 5x7 frames causing some marks.

For best walking stabitlity the model has to walk when fully lowered.

And here's a video:

This being my first big exo suit/mecha/robot I am very happy with the outcome. I learned a lot form this model. Yes there are some problems with lifting and stability, but I think that for being a first kind of model its a very good representation of the mechs you see in sci-fi movies and such.

In short it can walk, steer, rotate, shoot and grab stuff and that is what makes it so playfull and unique.

Edited by Zblj
Posted

This turned out fantastic. My concern about the leg connectors slipping out turned out to be invalid because I thought the feet would lift off the ground, which is not the case.

The amount of functions is incredible for the weight. I really like the colour scheme, too.

Are you planning on making improvements to the stability?

Posted

I love the looks and the video! :classic::thumbup:

Would be great if it was more "walking" and less "wiggling" though :blush:

Still; unique and awesome model! I don't know if I have said so earlier, but your cheetah and wolf models are also absolutely awesome! :thumbup:

Posted

The best for me is the destruction of the armored vehicle, great build, great use of colors and trans parts. How long did it take to train yourself to work the RC units so well?

Posted (edited)

Really cool how u made the minifig move, like it is actually controling thic boogie beast. I am amazed how stabile it is while swinging its arms, especially when lifting the tank. Have you tried to walk it in higher positions? Also great video, you'be become quite a director.

Edited by MajklSpajkl
Posted

This turned out fantastic. My concern about the leg connectors slipping out turned out to be invalid because I thought the feet would lift off the ground, which is not the case.

The amount of functions is incredible for the weight. I really like the colour scheme, too.

Are you planning on making improvements to the stability?

Thanks for the praise :wink: I am probably gonna create some sort of walker sometime which should be better. I am gonna keep this suit the way it is for now.

I love the looks and the video! :classic::thumbup:

Would be great if it was more "walking" and less "wiggling" though :blush:

Still; unique and awesome model! I don't know if I have said so earlier, but your cheetah and wolf models are also absolutely awesome! :thumbup:

Thank you! I should build some more furry creatures soon :laugh:

Man, this is crazy! Such an awesome video to watch and glad everything worked out in the end. Definitely many thumbs up from me. :thumbup: :thumbup: :thumbup: :thumbup:

Yeah I am also happy how it all turned out well. I know how silly the unfinished legs looked like wobbling around like they are trying to twerk, but the added weight and functions soon smoothened the movements.

The best for me is the destruction of the armored vehicle, great build, great use of colors and trans parts. How long did it take to train yourself to work the RC units so well?

I had like 2 days :laugh: There was A LOT of unused footage in total there was some 30-45 minutes of raw footage with lots of fails, etc... Also the remotes have all their function seperated by colors and different shapes so its less likely to mix them up.

Really cool how u made the minifig move, like it is actually controling thic boogie beast. I am amazed how stabile it is while swinging its arms, especially when lifting the tank. Have you tried to walk it in higher positions? Also great video, you'be become quite a director.

Yeah I wanted the minifig's legs and arms to be movable externally in order to use it for video. I intentinally used the chima's wolf because that fig has the armor with 2 studs in the back which are perfect for mounting to the whole contraption. Walking in higher positions is too unstable, its only usefull for shooting down maybe? Thats one function, that suit could go without, its also kind of rubs some axles to 5x7 frames, so I dont use it...

Still have a long way to go to be a director, but I'm trying my best :laugh:

Thanks for all the love guys, it means a lot to me.

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